/* ============================================================
   Xifu Wire Mesh — Global Design System
   High-end industrial / clean / professional / trustworthy
   Tokens: deep steel navy + industrial amber accent, 4px radius,
   subtle borders, restrained motion.
   ============================================================ */
:root{
  --primary:#16324b;        /* deep steel navy */
  --primary-dark:#0e2334;
  --primary-soft:#eaf0f5;
  --accent:#e07b1f;         /* industrial amber */
  --accent-dark:#b9610f;
  --accent-soft:#fdf3e7;
  --text:#1f2a37;
  --muted:#5d6e80;
  --line:#e2e9f0;
  --bg:#ffffff;
  --bg-soft:#f5f7f9;
  --bg-dark:#101d29;
  --radius:4px;
  --shadow-sm:0 1px 3px rgba(16,29,41,.08);
  --shadow-md:0 4px 14px rgba(16,29,41,.10);
  --header-h:72px;
  --font:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent-dark)}
h1,h2,h3,h4{line-height:1.28;font-weight:700;color:var(--primary-dark);letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.45rem,3vw,2.05rem)}
h3{font-size:1.18rem}
p{margin:0 0 1rem}
ul.clean{list-style:none}
.container{max-width:2560px;margin:0 auto;padding:0 5vw}
.section{padding:64px 0}
.section.soft{background:var(--bg-soft)}
.section.dark{background:var(--bg-dark);color:#dbe4ec}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark);margin-bottom:10px}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p.lead{color:var(--muted);font-size:1.05rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.95rem;padding:13px 30px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;border-color:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;border-color:var(--accent-dark)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline-light:hover{background:#fff;color:var(--primary-dark)}
.btn-sm{padding:9px 18px;font-size:.86rem}
.btn-block{width:100%}
.btn-group{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}

/* ---------- Top utility bar ---------- */
.topbar{background:var(--primary-dark);color:#cfd9e2;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#e6edf3}
.topbar a:hover{color:#fff}
.topbar .t-contact{display:flex;gap:20px;align-items:center}
.topbar .t-contact span{display:inline-flex;align-items:center;gap:6px}
.topbar .t-lang{display:flex;gap:14px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:200;padding:14px 28px 0;transition:padding .3s ease}
.header-main{background:rgba(255,255,255,.5);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:30px;box-shadow:0 8px 24px rgba(0,0,0,.08);transition:border-radius .3s ease,box-shadow .3s ease}
.site-header.scrolled{padding:0}
.site-header.scrolled .header-main{border-radius:0;box-shadow:0 12px 32px rgba(0,0,0,.10)}
.header-main .container{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:18px;max-width:none;padding:0 28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem;color:var(--primary-dark);letter-spacing:.02em;flex-shrink:0}
.brand img{height:68px;width:auto}
.brand>span{white-space:nowrap;line-height:1.15;font-family:"Montserrat","Inter","Helvetica Neue",Arial,sans-serif;letter-spacing:.01em}
.brand small{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.14em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav>ul{display:flex;list-style:none;gap:6px}
.main-nav a.nl{display:block;padding:10px 17px;font-weight:600;font-size:1.12rem;color:var(--text);border-radius:var(--radius);white-space:nowrap}
.main-nav a.nl:hover{text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:2px}
.main-nav a.nl.active{background:var(--bg-soft);color:var(--primary-dark)}
.nl .caret{display:inline-block;width:0;height:0;margin-left:7px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;vertical-align:2px}
@media(min-width:1021px){
  /* At the top the logo breaks out of the capsule; once scrolled it tucks back inside the bar */
  .brand{transition:transform .3s ease}
  .brand img{transition:height .3s ease}
  .site-header:not(.scrolled) .brand{transform:translateY(4px)}
  .site-header:not(.scrolled) .brand img{height:100px}
  .site-header.scrolled .brand img{height:58px}
  .header-main{transition:margin-left .35s cubic-bezier(.4,0,.2,1),border-radius .3s ease,box-shadow .3s ease}
}
@media(min-width:1401px){
  /* Wide screens: at the top the logo fully detaches — the frosted capsule starts at the company name */
  .brand{position:relative;transition:padding-left .35s cubic-bezier(.4,0,.2,1),transform .3s ease}
  .brand img{transition:left .35s cubic-bezier(.4,0,.2,1),height .35s cubic-bezier(.4,0,.2,1)}
  .site-header:not(.scrolled) .header-main{margin-left:125px}
  .site-header:not(.scrolled) .brand{transform:none}
  .site-header:not(.scrolled) .brand img{position:absolute;left:-147px;top:50%;transform:translateY(-50%)}
  /* On scroll the bar expands and the logo glides into place instead of jumping */
  .site-header.scrolled .brand{padding-left:74px}
  .site-header.scrolled .brand img{position:absolute;left:0;top:50%;transform:translateY(-50%)}
}
@media(max-width:1300px) and (min-width:1177px){
  .brand{font-size:1.02rem}
  .brand img{height:60px}
  .main-nav a.nl{padding:10px 11px}
  .main-nav>ul{gap:4px}
}
.nav-item{position:relative}
.nav-drop{position:absolute;top:100%;left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:8px;display:none}
.nav-item:hover>.nav-drop,.nav-item:focus-within>.nav-drop{display:block}
.nav-drop a{display:block;padding:10px 14px;font-size:.9rem;color:var(--text);border-radius:var(--radius);white-space:nowrap}
.nav-drop a:hover{background:var(--bg-soft);color:var(--primary-dark)}
.header-cta{display:flex;align-items:center;gap:10px}
@media(min-width:1177px){.header-cta{margin-right:20px}}
.wa-link{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:.9rem;color:#1e7e34}
.wa-link:hover{color:#14601f}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:9px 11px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0}

/* mobile drawer */
.mobile-nav{display:none;position:fixed;inset:0;z-index:300;background:rgba(14,27,40,.55)}
.mobile-nav .drawer{position:absolute;right:0;top:0;bottom:0;width:min(340px,88vw);background:#fff;overflow-y:auto;padding:20px}
.mobile-nav.open{display:block}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.drawer-close{background:none;border:1px solid var(--line);border-radius:var(--radius);font-size:1.1rem;padding:6px 12px;cursor:pointer}
.drawer a{display:block;padding:11px 6px;font-weight:600;border-bottom:1px solid var(--line);color:var(--text)}
.drawer .sub{padding-left:16px;font-weight:400;font-size:.92rem}
.drawer .btn{margin-top:16px}

/* ---------- Breadcrumbs ---------- */
.crumbs{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.crumbs .container{padding-top:11px;padding-bottom:11px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{margin:0 8px;color:#b7c3cf}
/* On photo-banner pages the breadcrumb melts into the banner photo (no white strip) */
.page-hero.banner + .crumbs{background:transparent;border-bottom:none;margin-top:-46px;position:relative;z-index:2;color:rgba(255,255,255,.75)}
.page-hero.banner + .crumbs .container{padding-top:0;padding-bottom:14px}
.page-hero.banner + .crumbs a{color:rgba(255,255,255,.88)}
.page-hero.banner + .crumbs a:hover{color:#fff}
.page-hero.banner + .crumbs .sep{color:rgba(255,255,255,.45)}

/* ---------- Hero ---------- */
.hero{background:var(--bg-dark);color:#e7edf3;position:relative;overflow:hidden}
.hero .container{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding-top:72px;padding-bottom:72px}
.hero h1{color:#fff;margin-bottom:16px}
.hero .sub{font-size:1.08rem;color:#c3cfd9;max-width:560px}
.hero-media{border-radius:6px;overflow:hidden;box-shadow:var(--shadow-md)}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.hero .btn-group .btn-outline-light{border-color:rgba(255,255,255,.7)}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px}
.hero-trust .t{display:flex;align-items:center;gap:9px;font-size:.88rem;color:#c3cfd9}
.hero-trust .t b{color:#fff;font-size:1.05rem}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.card:hover{box-shadow:var(--shadow-md);border-color:#c9d5e0}
.card .c-media{aspect-ratio:16/10;overflow:hidden;background:#eef1f4}
.card .c-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .c-media img{transform:scale(1.04)}
.card .c-body{padding:20px}
.card .c-body h3{margin-bottom:8px;font-size:1.05rem}
.card .c-body p{color:var(--muted);font-size:.92rem;margin-bottom:12px}
.card .c-link{font-weight:600;font-size:.9rem;color:var(--accent-dark)}
.card .c-link:hover{color:var(--accent)}

/* ---------- Spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:.94rem}
.spec-table th,.spec-table td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{width:34%;background:var(--bg-soft);font-weight:600;color:var(--primary-dark)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.table-wrap{overflow-x:auto;border-radius:6px}

/* ---------- FAQ accordion ---------- */
.faq{border:1px solid var(--line);border-radius:6px;background:#fff;overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:17px 20px;font-size:1rem;font-weight:600;color:var(--primary-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;font-family:var(--font)}
.faq-q .pm{font-size:1.3rem;color:var(--accent-dark);font-weight:400;flex-shrink:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a .inner{padding:0 20px 18px;color:var(--muted)}
.faq-item.open .faq-a{max-height:500px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--primary);color:#e7edf3}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-top:52px;padding-bottom:52px}
.cta-band h2{color:#fff;margin-bottom:8px}
.cta-band p{color:#c3cfd9;margin:0}
.cta-band .btn-group{margin-top:0;flex-shrink:0}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:.86rem;font-weight:600;color:var(--primary-dark)}
.field label .req{color:#c0392b}
.field input,.field select,.field textarea{font-family:var(--font);font-size:.95rem;padding:12px 14px;border:1px solid #c9d5e0;border-radius:var(--radius);background:#fff;color:var(--text);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.field textarea{min-height:130px;resize:vertical}
.field .hint{font-size:.78rem;color:var(--muted)}
.form-note{font-size:.85rem;color:var(--muted);margin-top:14px}

/* ---------- Footer ---------- */
.site-footer{background:#272727;color:#c3cfd9;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.1fr .8fr .8fr 1fr 1.4fr;gap:36px;max-width:2560px;margin:0 auto;padding:56px 5vw 40px}
.site-footer h4{color:#fff;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}
.site-footer a{color:#c3cfd9}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:10px}
.footer-brand p{margin:14px 0}
.social-row{display:flex;gap:10px;margin-top:16px}
.social-row a,.social-row .soc-soon{display:inline-flex;width:40px;height:40px;border:1px solid rgba(255,255,255,.25);border-radius:50%;align-items:center;justify-content:center;color:#fff}
.social-row a:hover{background:var(--accent);border-color:var(--accent)}
.social-row .soc-soon{opacity:.4;cursor:default}
.social-row svg{width:18px;height:18px;display:block}
/* ---------- Footer message board ---------- */
.footer-form .ff-field{margin-bottom:10px}
.footer-form input,.footer-form textarea{width:100%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);border-radius:6px;color:#fff;padding:10px 12px;font-size:.88rem;font-family:inherit}
.footer-form textarea{min-height:80px;resize:vertical}
.footer-form input::placeholder,.footer-form textarea::placeholder{color:#8fa0b0}
.footer-form input:focus,.footer-form textarea:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.11)}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:.82rem;color:#93a3b3}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Floating contact buttons ---------- */
.float-stack{position:fixed;right:20px;bottom:20px;z-index:250;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:transform .15s ease}
.float-btn:hover{transform:scale(1.07)}
.float-btn.wa{background:#25D366;color:#fff}
.float-btn.wa:hover{background:#1eb857;color:#fff}
.float-btn.mail{background:var(--primary-dark);color:#fff}
.float-btn.mail:hover{background:#0f2a43;color:#fff}

/* ---------- Misc ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.check-list{list-style:none}
.check-list li{padding:9px 0 9px 30px;position:relative;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:none}
.check-list li::before{content:"✓";position:absolute;left:2px;top:9px;color:var(--accent-dark);font-weight:700}
/* ---------- Thank-you page ---------- */
.ty{padding:90px 0}
.ty-check{width:88px;height:88px;border-radius:50%;background:#e8f7ee;display:flex;align-items:center;justify-content:center;margin:0 auto 26px}
.ty h1{margin-bottom:14px}
.ty-steps{display:flex;gap:14px;justify-content:center;margin:34px 0 8px;flex-wrap:wrap}
.ty-steps>div{display:flex;align-items:center;gap:10px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:12px 18px;font-size:.9rem;color:var(--text)}
.ty-steps b{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-size:.85rem;flex:none}
/* ---------- Parallax (fixed-background) section ---------- */
.parallax{position:relative;background-attachment:fixed;background-size:cover;background-position:center;background-repeat:no-repeat}
.parallax::before{content:"";position:absolute;inset:0;background:rgba(8,20,32,.52)}
.parallax .container{position:relative;z-index:1;padding-top:100px;padding-bottom:100px}
.parallax .section-head h2{color:#fff}
.parallax .section-head .lead{color:rgba(255,255,255,.88);max-width:720px;margin-left:auto;margin-right:auto}
.parallax .eyebrow{color:#f0b35e}
.overview-bg{position:relative;background:url('/assets/img/about-overview-bg.jpg') center/cover no-repeat}
.overview-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,22,36,.9) 25%,rgba(9,22,36,.66) 100%)}
.overview-bg .container{position:relative;z-index:1}
.overview-bg .section-head h2{color:#fff}
.overview-bg .eyebrow{color:#f0b35e}
.overview-bg .prose{color:rgba(255,255,255,.93)}
.overview-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center}
.overview-text .prose{max-width:none}
.overview-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ostat{background:rgba(9,22,36,.5);border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:26px 14px 22px;text-align:center;backdrop-filter:blur(4px)}
.ostat .oic{display:block;width:44px;height:44px;margin:0 auto 12px;color:#f5a83d}
.ostat .oic svg{width:100%;height:100%}
.ostat b{display:block;color:#fff;font-size:1.85rem;font-weight:800;line-height:1.12}
.ostat .olab{display:block;color:rgba(255,255,255,.78);font-size:.9rem;margin-top:6px}
@media(max-width:900px){.overview-grid{grid-template-columns:1fr;gap:36px}}
.parallax .stat{background:transparent;border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(2px)}
.parallax .stat .n{color:#fff;font-size:2.4rem}
.parallax .stat .l{color:rgba(255,255,255,.8)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px 20px;text-align:center}
.stat .n{font-size:1.9rem;font-weight:800;color:var(--primary-dark)}
.stat .l{font-size:.85rem;color:var(--muted);margin-top:6px}
.tag-row{display:flex;gap:10px;flex-wrap:wrap}
.tag{display:inline-block;background:var(--primary-soft);color:var(--primary-dark);font-size:.82rem;font-weight:600;padding:6px 14px;border-radius:30px}
.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.page-hero .container{padding-top:52px;padding-bottom:44px}
.page-hero p.lead{color:var(--muted);font-size:1.05rem;max-width:760px}
.page-hero.banner{position:relative;background:#0a1a2c var(--bnr) center/cover no-repeat;border-bottom:none}
.page-hero.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,35,.85) 18%,rgba(8,20,35,.48) 62%,rgba(8,20,35,.32))}
.page-hero.banner .container{position:relative;z-index:1;min-height:450px;display:flex;flex-direction:column;justify-content:center;padding-top:40px;padding-bottom:40px}
.page-hero.banner h1{color:#fff}
.page-hero.banner p.lead{color:rgba(255,255,255,.9)}
@media(max-width:640px){.page-hero.banner .container{min-height:300px}}
.media-frame{border-radius:6px;overflow:hidden;border:1px solid var(--line);background:#eef1f4}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* ---------- Catalog (products index, sidebar + list) ---------- */
.catalog{display:grid;grid-template-columns:274px 1fr;gap:44px;align-items:start}
.cat-side{position:sticky;top:118px}
.side-panel{border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:26px;background:#fff}
.side-title{background:var(--primary-dark);color:#fff;font-size:1.02rem;font-weight:700;padding:13px 18px;margin:0}
.side-cat-head{display:flex;align-items:center;gap:9px;padding:12px 14px 12px 18px;border-top:1px solid var(--line)}
.side-cat:first-child .side-cat-head{border-top:none}
.side-cat-head a{font-weight:600;color:var(--primary-dark);flex:1}
.side-cat-head a:hover{color:var(--accent-dark)}
.side-count{font-size:.78rem;color:var(--muted);background:var(--bg-soft);border-radius:99px;padding:2px 9px}
.side-toggle{width:28px;height:28px;flex-shrink:0;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.side-toggle svg{width:14px;height:14px;transition:transform .3s}
.side-cat.open .side-toggle svg{transform:rotate(180deg)}
.side-sub{list-style:none;margin:0;padding:0;max-height:0;overflow:hidden;transition:max-height .35s ease;background:#fbfcfd}
.side-cat.open .side-sub{max-height:520px}
.side-sub li a{display:block;padding:8px 18px 8px 26px;font-size:.92rem;color:var(--muted);border-top:1px solid #eef2f5}
.side-sub li a:hover{color:var(--accent-dark)}
.side-contact{padding:16px 18px}
.side-contact p{margin:0 0 13px;font-size:.94rem}
.side-contact b{display:block;color:var(--primary-dark);margin-bottom:2px}
.side-contact a{color:var(--accent-dark);word-break:break-all}
.side-contact .btn{width:100%;margin-top:4px;color:#fff}
.cat-main-head{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}
.bar-title{border-left:4px solid var(--accent);padding-left:14px;font-size:1.5rem;margin:0;color:var(--primary-dark)}
.cat-search{display:flex}
.cat-search input{width:250px;padding:10px 14px;border:1px solid var(--line);border-right:none;border-radius:6px 0 0 6px;font:inherit;font-size:.94rem;background:#fff}
.cat-search input:focus{outline:none;border-color:var(--accent)}
.cat-search button{background:var(--primary-dark);color:#fff;border:none;padding:10px 20px;border-radius:0 6px 6px 0;font:inherit;font-weight:600;cursor:pointer}
.cat-search button:hover{background:var(--accent-dark)}
.cat-group{scroll-margin-top:150px;margin-top:36px}
.cat-group-title{font-size:1.22rem;color:var(--primary-dark);margin:0}
.cat-group-title a{color:inherit;text-decoration:none}
.cat-group-title a:hover{color:var(--accent-dark)}
.cat-group-title span{font-size:.85rem;color:var(--muted);font-weight:500;margin-left:10px}
.prod-row{display:grid;grid-template-columns:248px 1fr;gap:26px;padding:24px 0;border-bottom:1px dashed #c3cfda}
.prod-thumb{display:block;aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:#eef1f4}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod-row:hover .prod-thumb img{transform:scale(1.04)}
.prod-info h4{font-size:1.12rem;margin:2px 0 9px}
.prod-info h4 a{color:var(--primary-dark)}
.prod-info h4 a:hover{color:var(--accent-dark)}
.prod-info p{color:var(--muted);font-size:.96rem;line-height:1.65;margin:0 0 13px;max-width:640px}
.view-more{font-weight:700;color:var(--accent-dark);font-size:.95rem}
.view-more:hover{color:var(--accent)}
.no-results{padding:34px 0;color:var(--muted)}
@media(max-width:1020px){
  .catalog{grid-template-columns:1fr;gap:6px}
  .cat-side{position:static}
}
@media(max-width:640px){
  .prod-row{grid-template-columns:1fr;gap:14px;padding:20px 0}
  .cat-search{width:100%}
  .cat-search input{flex:1;width:auto}
}
.gallery.g4{grid-template-columns:repeat(2,1fr)}
.gallery .media-frame{aspect-ratio:4/3}
.gallery img{width:100%;height:100%;object-fit:cover}
.blog-meta{font-size:.82rem;color:var(--muted);margin-bottom:10px}
.prose{max-width:820px}
.prose h2{margin:1.8em 0 .7em}
.prose h3{margin:1.5em 0 .6em}
.prose p{margin-bottom:1.1rem}
.prose ul,.prose ol{margin:0 0 1.2rem 1.4rem}
.prose li{margin-bottom:.5rem}
.prose a{font-weight:600}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:20px 24px;margin-bottom:28px;font-size:.92rem}
.toc b{display:block;margin-bottom:8px;color:var(--primary-dark)}
.toc ul{margin-left:1.2rem}
.toc li{margin-bottom:4px}

/* related links */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-link{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px}
.rel-link:hover{box-shadow:var(--shadow-sm);border-color:#c9d5e0}
.rel-link .thumb{width:64px;height:64px;border-radius:var(--radius);object-fit:cover;flex-shrink:0;background:#eef1f4}
.rel-link b{font-size:.92rem;color:var(--primary-dark);display:block}
.rel-link small{color:var(--muted);font-size:.8rem}

/* quote form shell */
.quote-shell{display:grid;grid-template-columns:1fr 380px;gap:36px;align-items:start}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:34px;box-shadow:var(--shadow-sm)}
.quote-side .card{margin-bottom:18px}
.hidden{display:none!important}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1176px){
  .main-nav,.header-cta .btn{display:none}
  .burger{display:block}
}
@media(max-width:1020px){
  .main-nav,.header-cta .btn{display:none}
  .burger{display:block}
  .hero .container{grid-template-columns:1fr;padding-top:52px;padding-bottom:52px}
  .grid.g4{grid-template-columns:repeat(2,1fr)}
  .grid.g3{grid-template-columns:repeat(2,1fr)}
  .quote-shell{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .site-header{padding:10px 12px 0}
  .header-main{border-radius:20px}
  .header-main .container{padding:0 16px}
  .topbar .t-lang{display:none}
  .grid.g3,.grid.g2,.grid.g4{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .gallery{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band .container{padding-top:40px;padding-bottom:40px}
  .btn-group .btn{flex:1 1 100%}
  .float-stack{right:14px;bottom:14px}
  .float-btn{width:46px;height:46px}
  .stat-row{grid-template-columns:1fr 1fr}
  .quote-card{padding:22px}
  .brand small{display:none}
  .brand{font-size:1.05rem;gap:9px}
  .brand img{height:52px}
  .header-cta .wa-link{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

/* certificate showcase */
/* ---------- Applications accordion (home) ---------- */
.acc{display:flex;gap:12px;height:540px}
@media(min-width:1700px){.acc{height:620px}}
.acc-panel{position:relative;flex:1 1 0;min-width:0;border-radius:12px;overflow:hidden;text-decoration:none;color:#fff;background:#0d2233;transition:flex .85s cubic-bezier(.25,.7,.25,1)}
.acc-panel.active{flex:7 1 0}
.acc-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.acc-tint{position:absolute;inset:0;background:rgba(9,22,34,.34);z-index:1;transition:opacity .6s ease}
.acc-panel.active .acc-tint{opacity:0}
.acc-shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(7,18,28,.74) 0%,rgba(7,18,28,.18) 46%,rgba(7,18,28,0) 72%);z-index:1}
.acc-vlabel{position:absolute;z-index:2;left:50%;bottom:78px;transform:translateX(-50%) rotate(180deg);writing-mode:vertical-rl;font-size:1.06rem;font-weight:600;letter-spacing:.04em;white-space:nowrap;color:#fff;text-shadow:0 1px 10px rgba(0,0,0,.45);transition:opacity .3s ease}
.acc-panel.active .acc-vlabel{opacity:0}
.acc-info{position:absolute;z-index:2;left:26px;bottom:66px;right:20px;opacity:0;transform:translateY(10px);transition:opacity .45s ease .3s,transform .45s ease .3s;pointer-events:none}
.acc-panel.active .acc-info{opacity:1;transform:none}
.acc-title{font-size:1.65rem;font-weight:700;color:#fff;margin:0;line-height:1.2;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.acc-plus{position:absolute;z-index:2;left:50%;bottom:22px;transform:translateX(-50%);width:42px;height:42px;border:1.5px solid rgba(255,255,255,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.35rem;font-weight:300;color:#fff;line-height:1;transition:left .85s cubic-bezier(.25,.7,.25,1),transform .85s cubic-bezier(.25,.7,.25,1),background .3s ease}
.acc-panel.active .acc-plus{left:26px;transform:none}
.acc-panel:hover .acc-plus{background:rgba(255,255,255,.16)}
@media(max-width:900px){
  .acc{flex-direction:column;height:780px;gap:10px}
  .acc-panel.active{flex:4.4 1 0}
  .acc-vlabel{writing-mode:horizontal-tb;left:20px;bottom:auto;top:50%;transform:translateY(-50%);font-size:1.02rem}
  .acc-plus{left:auto;right:16px;bottom:auto;top:50%;transform:translateY(-50%);width:36px;height:36px;font-size:1.15rem}
  .acc-panel.active .acc-plus{left:22px;right:auto;top:auto;bottom:18px;transform:none}
  .acc-info{left:22px;bottom:62px}
  .acc-title{font-size:1.35rem}
}
@media (prefers-reduced-motion:reduce){.acc-panel{transition:none}}

/* ---------- Certifications (home): badge row + flat certificate row ---------- */
.cert-band{position:relative;background:linear-gradient(to bottom,#ffffff 0%,#edf0f5 20%,#edf0f5 80%,#ffffff 100%)}
.cert-band::before{content:"";position:absolute;inset:0;background:url(/assets/img/world-map-dots.webp) center 40%/min(1850px,97%) auto no-repeat;opacity:.5;pointer-events:none}
.cert-band .container{position:relative}
.cert-band .btn-group{justify-content:center}
.cert-badges{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px 28px;max-width:none;margin:4px auto 42px;padding:0 12px}
.cert-badge{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.cert-badge__mark{height:64px;display:flex;align-items:center;justify-content:center}
.cert-badge__mark img{height:60px;width:auto;max-width:118px;object-fit:contain;display:block}
.cert-badge__label{font-size:.82rem;font-weight:600;color:var(--muted);letter-spacing:.05em;text-transform:uppercase}
.cert-badge__mark{perspective:600px}
.cert-badge__mark img{transition:transform .6s ease}
.cert-badge:hover .cert-badge__mark img{transform:rotateY(360deg)}
@media(prefers-reduced-motion:reduce){.cert-badge__mark img{transition:none}.cert-badge:hover .cert-badge__mark img{transform:none}}
.cc-wrap{position:relative}
.cc-stage{position:relative;height:438px;overflow:hidden}
.cc-card{position:absolute;top:50%;left:50%;width:264px;margin-left:-132px;background:#fff;border:1px solid #e3e9ef;border-radius:10px;padding:12px;text-decoration:none;color:inherit;box-shadow:0 10px 26px rgba(10,30,50,.10);transition:transform .65s cubic-bezier(.25,.7,.25,1),opacity .65s ease;will-change:transform,opacity}
.cert-cover{aspect-ratio:3/4.2;background:#fff;overflow:hidden;border-radius:4px}
.cert-cover img{width:100%;height:100%;object-fit:contain;display:block}
.cc-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.95);cursor:pointer;font-size:1.45rem;line-height:1;color:var(--primary);box-shadow:var(--shadow-md);z-index:200;display:flex;align-items:center;justify-content:center;padding:0 0 3px;transition:background .25s ease,color .25s ease}
.cc-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.cc-arrow.prev{left:2px}
.cc-arrow.next{right:2px}
@media(max-width:640px){.cert-badge__mark{height:52px}.cert-badge__mark img{height:48px;max-width:96px}.cert-badges{gap:18px;margin-bottom:32px}.cc-stage{height:376px}.cc-card{width:218px;margin-left:-109px}.cc-arrow{width:40px;height:40px}}
@media(min-width:1700px){.cc-card{width:304px;margin-left:-152px}.cc-stage{height:492px}}
@media(min-width:2150px){.cc-card{width:344px;margin-left:-172px}.cc-stage{height:548px}}
.c-media.doc{aspect-ratio:3/4}

/* ---------- Product gallery switcher ---------- */
.pgallery .pg-main{margin-bottom:12px}
.pgallery .pg-main{background:#fff}
.pgallery .pg-main img{width:100%;aspect-ratio:4/3;object-fit:contain;display:block;transition:opacity .18s ease}
.pg-thumbs-bar{display:flex;align-items:stretch;gap:8px}
.pg-thumbs{display:flex;gap:8px;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;flex:1;min-width:0}
.pg-thumbs::-webkit-scrollbar{display:none}
.pg-thumb{flex:0 0 84px;width:84px;height:84px;border:2px solid transparent;border-radius:6px;overflow:hidden;padding:0;background:#fff;cursor:pointer}
.pg-thumb img{width:100%;height:100%;object-fit:contain;display:block}
.pg-thumb.active{border-color:var(--accent)}
.pg-arrow{flex:0 0 34px;width:34px;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:22px;line-height:1;cursor:pointer;color:var(--primary)}
.pg-arrow:hover{background:var(--primary-soft)}
@media(max-width:640px){.pg-thumb{flex-basis:68px;width:68px;height:68px}}
.two-col > *{min-width:0}
.c-icon{vertical-align:-2px;margin-right:7px;flex:none}
li > .c-icon, span > .c-icon{display:inline-block}

/* ---------- Full-screen hero banner (home) ---------- */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hero-full{position:relative;min-height:100vh;min-height:100svh;background:#0a1626;overflow:hidden;opacity:0;animation:heroIn 1.2s ease .1s forwards}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;padding-top:84px;opacity:0;visibility:hidden;transition:opacity .9s ease,visibility 0s linear .9s}
.hero-slide.active{opacity:1;visibility:visible;transition:opacity .9s ease;z-index:1}
.hero-slide-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-slide::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(6,17,27,.87),rgba(6,17,27,.55) 45%,rgba(6,17,27,.18) 72%,rgba(6,17,27,.10))}
.hero-slide .rise{animation:none}
.hero-slide.active .rise{animation:riseIn .9s cubic-bezier(.22,.7,.3,1) forwards}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.45);background:rgba(8,20,35,.32);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .25s,border-color .25s}
.hero-arrow:hover{background:rgba(8,20,35,.62);border-color:#fff}
.hero-arrow.prev{left:26px}
.hero-arrow.next{right:26px}
.hero-arrow svg{width:22px;height:22px}
.hero-dots{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);display:flex;gap:9px;z-index:3}
.hero-dots button{width:9px;height:9px;border-radius:99px;border:none;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:all .3s}
.hero-dots button.active{width:26px;background:#f5a83d}
@keyframes heroIn{from{opacity:0}to{opacity:1}}
.hero-copy{position:relative;z-index:2;width:100%;max-width:2560px;margin:0 auto;padding:110px 5vw 70px;transform:translateY(-20px)}
.hero-title{color:#fff;font-size:clamp(2.3rem,4.6vw,3.9rem);line-height:1.14;font-weight:800;letter-spacing:-.01em;margin:0 0 18px;max-width:660px}
.hero-title .accent{color:#f5a83d}
.hero-title.wide{max-width:920px}
.nb{white-space:nowrap}
.hero-sub{color:rgba(255,255,255,.88);font-size:clamp(1rem,1.35vw,1.18rem);line-height:1.65;max-width:580px;margin:0 0 36px}
.hero-feats{display:flex;gap:34px 46px;flex-wrap:wrap}
.hero-feats .hf:nth-child(3){flex-basis:100%}
.hf{display:flex;align-items:center;gap:14px}
.hf-ic{flex:none;width:62px;height:62px;border:1.5px solid rgba(255,255,255,.65);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}
.hf-ic svg{width:28px;height:28px}
.hf b{display:block;color:#fff;font-size:1.02rem;font-weight:700;white-space:nowrap}
.hf span{color:rgba(255,255,255,.78);font-size:.92rem;white-space:nowrap}
/* entrance: staggered rise */
.rise{opacity:0;transform:translateY(26px);animation:riseIn .9s cubic-bezier(.22,.7,.3,1) forwards}
@keyframes riseIn{to{opacity:1;transform:translateY(0)}}
.d1{animation-delay:.35s}.d2{animation-delay:.55s}.d3{animation-delay:.78s}.d4{animation-delay:.94s}.d5{animation-delay:1.1s}
@media(prefers-reduced-motion:reduce){.hero-full,.rise{animation:none;opacity:1;transform:none}.hero-slide{transition:none}}
@media(max-height:740px){
  .hero-title{font-size:2.65rem}
  .hero-copy{padding:96px 5vw 54px}
}
@media(max-width:640px){
  .nb{white-space:normal}
  .hero-title.wide{max-width:100%}
  .hero-copy{padding:100px 5vw 60px}
  .hero-title{font-size:2rem;text-shadow:0 2px 14px rgba(0,20,40,.5)}
  .hero-sub{text-shadow:0 1px 10px rgba(0,20,40,.5)}
  .hero-feats{flex-direction:column;gap:18px;align-items:flex-start}
  .hero-feats .hf:nth-child(3){flex-basis:auto}
  .hero-arrow{display:none}
  .hf-ic{width:50px;height:50px}
  .hf-ic svg{width:23px;height:23px}
  .hf b{font-size:.94rem;white-space:normal}
  .hf span{font-size:.84rem;white-space:normal}
}

/* ---------- Transparent header on home: clear at top, white on scroll ---------- */
/* home: pill floats over the full-screen hero */
body.home .site-header{position:fixed;left:0;right:0}

/* ---------- Home category showcase ---------- */
.showcase{margin-top:4px}
.sc-strip{display:flex;align-items:stretch;gap:14px}
.sc-tabs{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;flex:1;min-width:0}
.sc-tab{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 10px 14px;cursor:pointer;font:inherit;text-align:center;transition:border-color .25s,box-shadow .25s}
.sc-tab-media{display:block;aspect-ratio:16/10;overflow:hidden;border-radius:5px;margin-bottom:10px;background:var(--bg-soft)}
.sc-tab-media img{width:100%;height:100%;object-fit:cover;display:block}
.sc-tab-name{display:block;font-weight:700;font-size:.97rem;line-height:1.32;color:var(--primary-dark);transition:color .25s}
.sc-tab:hover{border-color:#c3d2df}
.sc-tab.active{border-color:var(--accent);box-shadow:0 12px 28px rgba(14,35,52,.12)}
.sc-tab.active .sc-tab-name{color:var(--accent-dark)}
.sc-arrow{flex:0 0 52px;width:52px;border:1px solid var(--line);background:#fff;border-radius:8px;color:var(--primary-dark);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .25s,color .25s}
.sc-arrow:hover{border-color:var(--accent);color:var(--accent-dark)}
.sc-arrow svg{width:22px;height:22px}
.sc-panels{display:grid;margin-top:36px}
.sc-panel{grid-area:1/1;display:grid;grid-template-columns:1fr 1.12fr;gap:56px;align-items:center;visibility:hidden}
.sc-panel.active{visibility:visible}
.sc-panel.active .sc-text>*{animation:scFadeUp .6s cubic-bezier(.22,.7,.3,1) both}
.sc-panel.active .sc-text>*:nth-child(2){animation-delay:.18s}
.sc-panel.active .sc-text>*:nth-child(3){animation-delay:.34s}
.sc-panel.active .sc-media img{animation:scImgIn .55s ease-out both}
@keyframes scFadeUp{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:translateY(0)}}
@keyframes scImgIn{from{opacity:0;transform:scale(1.05)}to{opacity:1;transform:scale(1)}}
/* Product Category section: S-logo backdrop fixed to the viewport (same mechanism as
   .parallax) — the section content floats over a stationary backdrop while scrolling */
section.wave-bg{background:#fff url('../img/showcase-logo-bg.webp') center/contain no-repeat fixed}
@media(prefers-reduced-motion:reduce){.sc-panel.active .sc-text>*,.sc-panel.active .sc-media img{animation:none}}
.sc-text h3{font-size:clamp(1.75rem,2.6vw,2.45rem);line-height:1.15;color:var(--primary-dark);margin:0 0 16px}
.sc-text p{color:var(--muted);font-size:1.05rem;line-height:1.75;margin:0 0 30px}
.sc-media{border-radius:8px;overflow:hidden;box-shadow:var(--shadow-md)}
.sc-media img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
@media(max-width:1023px){
  .sc-arrow{display:none}
  .sc-tabs{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none}
  .sc-tabs::-webkit-scrollbar{display:none}
  .sc-tab{flex:0 0 172px;scroll-snap-align:start}
}
@media(max-width:860px){
  .sc-panels{margin-top:26px}
  .sc-panel{grid-template-columns:1fr;gap:26px}
  .sc-media{order:-1}
}
.section-head.big-title{max-width:1060px}
.section-head.big-title h2{font-size:clamp(2rem,3.6vw,3.1rem);line-height:1.12;letter-spacing:-.01em}